The tillite and quartzite differ in age by hundreds of millions of years. What is significant about the boundary indicated by the white line?

Aempty box is shaped like a rectangular prism the box has a base area of 9/10 square foot and a height of one-third foot how much packaging material is required to fill the box is it

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite

What can you learn about precipitation levels in south america from this map? brazil is experiencing a drought.it rains more in higher altitudes.peru received the highest level of rain.venezuela got less than 25 cm of rain.